Marissa B. Anderson-Chernishof, M.D., M.S.
NPI 1235549957ActiveIndividual· Internal Medicine· Silverdale, WA
Internal Medicine (M.D., M.S.) with Kaiser Foundation Health Plan of Washington and 1 other group, practicing in Silverdale, Washington. Mostly services rather than prescriptions: Medicare paid $25,428 for 187 patients in 2024, with only 36 Part D claims. Lists Jefferson Healthcare and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1235549957 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.S. |
| Sole proprietor | No |
| NPI issued | May 2, 2014 |
| Last updated in NPPES | May 12, 2024 |
| Certified by provider | May 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD61188611 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (NE); Practitioner - Internal Medicine (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 187 |
|---|---|
| Services billed | 238 across 8 procedure codes |
| Paid by Medicare | $25,428 |
Part D prescriptions in 2024
| Prescriptions (claims) | 36 · 36 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $468.43 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical groups
- Kaiser Foundation Health Plan of WashingtonBellevue, WA · 1,526 clinicians
- South Sound Inpatient Physicians PLLCArlington, WA · 422 clinicians
Hospital affiliations
- Jefferson HealthcarePort Townsend, WA
- Olympic Medical CenterPort Angeles, WA
- St Michael Medical CenterSilverdale, WA
- Tacoma General Allenmore HospitalTacoma, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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